Messages in this thread | | | From | Douglas Gilbert <> | Subject | Linux 4.4: warning ioremap.c:198 | Date | Tue, 12 Jan 2016 02:19:29 +0100 |
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Just noticed the warning shown below in lk 4.4 . Checked my previous kernel which was lk 4.3.3 and it gets the warning as well. The machine is a Lenovo X240 laptop.
Doug Gilbert
... resource sanity check: requesting [mem 0xfed10000-0xfed15fff], which spans more than pnp 00:01 [mem 0xfed10000-0xfed13fff] ------------[ cut here ]------------ WARNING: CPU: 2 PID: 1 at arch/x86/mm/ioremap.c:198 __ioremap_caller+0x205/0x360() Info: mapping multiple BARs. Your kernel is fine. Modules linked in: CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.4.0 #243 Hardware name: LENOVO 20ALCTO1WW/20ALCTO1WW, BIOS GIET75WW (2.25 ) 06/24/2014 ffffffff817fbf6b ffff880119963ba0 ffffffff813151dc ffff880119963be8 ffff880119963bd8 ffffffff81055f76 ffffc90000068000 ffffc90000068000 00000000fed10000 0000000000000000 ffff8800c9d10fc0 ffff880119963c38 Call Trace: [<ffffffff813151dc>] dump_stack+0x4e/0x82 [<ffffffff81055f76>] warn_slowpath_common+0x86/0xc0 [<ffffffff81055ffc>] warn_slowpath_fmt+0x4c/0x50 [<ffffffff8105d1c7>] ? iomem_map_sanity_check+0x97/0xd0 [<ffffffff81045c85>] __ioremap_caller+0x205/0x360 [<ffffffff81045df7>] ioremap_nocache+0x17/0x20 [<ffffffff8102665d>] snb_uncore_imc_init_box+0x6d/0x90 [<ffffffff81024cd5>] uncore_pci_probe+0xc5/0x1d0 [<ffffffff81352cfc>] pci_device_probe+0x8c/0x100 [<ffffffff81404d9b>] driver_probe_device+0x1fb/0x310 [<ffffffff81404f38>] __driver_attach+0x88/0x90 [<ffffffff81404eb0>] ? driver_probe_device+0x310/0x310 [<ffffffff81402de6>] bus_for_each_dev+0x66/0xa0 [<ffffffff814047fe>] driver_attach+0x1e/0x20 [<ffffffff81404418>] bus_add_driver+0x1b8/0x230 [<ffffffff819b8c23>] ? uncore_types_exit+0x26/0x26 [<ffffffff81405ba0>] driver_register+0x60/0xe0 [<ffffffff813514cd>] __pci_register_driver+0x5d/0x60 [<ffffffff819b8d05>] intel_uncore_init+0xe2/0x2d1 [<ffffffff819b8c23>] ? uncore_types_exit+0x26/0x26 [<ffffffff810003c9>] do_one_initcall+0x99/0x1e0 [<ffffffff819ae08e>] kernel_init_freeable+0x1ac/0x236 [<ffffffff81611ac0>] ? rest_init+0x140/0x140 [<ffffffff81611ace>] kernel_init+0xe/0xe0 [<ffffffff8161b1bf>] ret_from_fork+0x3f/0x70 [<ffffffff81611ac0>] ? rest_init+0x140/0x140 ---[ end trace c7054f9c46af802f ]---
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